reworks text viewer plugin. (FS#11209)

new text viewer plugin: text_viewer.rock.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26571 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/text_viewer/tv_preferences.h

@@ -0,0 +1,129 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Gilles Roux
+ *               2003 Garrett Derner
+ *               2010 Yoshihisa Uchida
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef PLUGIN_TEXT_VIEWER_PREFERENCES_H
+#define PLUGIN_TEXT_VIEWER_PREFERENCES_H
+
+struct tv_preferences {
+    enum {
+        WRAP = 0,
+        CHOP,
+    } word_mode;
+
+    enum {
+        NORMAL = 0,
+        JOIN,
+        EXPAND,
+        REFLOW,
+    } line_mode;
+
+    enum {
+        NARROW = 0,
+        WIDE,
+    } view_mode;
+
+    enum {
+        LEFT = 0,
+        RIGHT,
+    } alignment;
+
+    enum codepages encoding;
+
+    enum {
+        SB_OFF = 0,
+        SB_ON,
+    } scrollbar_mode;
+
+    enum {
+        NO_OVERLAP = 0,
+        OVERLAP,
+    } page_mode;
+
+    enum {
+        HD_NONE = 0,
+        HD_PATH,
+        HD_SBAR,
+        HD_BOTH,
+    } header_mode;
+
+    enum {
+        FT_NONE = 0,
+        FT_PAGE,
+        FT_SBAR,
+        FT_BOTH,
+    } footer_mode;
+
+    enum {
+        PAGE=0,
+        LINE,
+    } scroll_mode;
+
+    int autoscroll_speed;
+
+    unsigned char font_name[MAX_PATH];
+#ifdef HAVE_LCD_BITMAP
+    struct font *font;
+#endif
+    unsigned char file_name[MAX_PATH];
+};
+
+/*
+ * return the preferences
+ *
+ * return
+ *     the pointer the preferences
+ */
+const struct tv_preferences *tv_get_preferences(void);
+
+/*
+ * change the preferences
+ *
+ * [In] new_prefs
+ *          new preferences
+ */
+void tv_set_preferences(const struct tv_preferences *new_prefs);
+
+/*
+ * copy the preferences
+ *
+ * [Out] copy_prefs
+ *          the preferences in copy destination
+ */
+void tv_copy_preferences(struct tv_preferences *copy_prefs);
+
+/*
+ * set the default settings
+ *
+ * [Out] p
+ *          the preferences which store the default settings
+ */
+void tv_set_default_preferences(struct tv_preferences *p);
+
+/*
+ * register the function to be executed when the current preferences is changed
+ *
+ * [In] listner
+ *          the function to be executed when the current preferences is changed
+ */
+void tv_add_preferences_change_listner(void (*listner)(const struct tv_preferences *oldp));
+
+#endif